A homeowner is draining her swimming pool. The volume of water in the pool changes by −12 gallons every minute.
2 answers:
The drainage rate is -12 gallons / minute.
To answer this question, multiply -12 gallons / minute by 60 minutes.
That comes to -720 gallons, the volume by which the water in the pool decreases in an hour.
So, water decreases by 12 gallons EVERY minute.
<u>How much water will decrease in 60 minutes?</u>
gallons
So, the volume changes by 720 gallons in 60 minutes.
ANSWER: Volume decreases 720 gallons in 60 minutes.
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